Remote wipe: Exchange administrators can remotely reset the device to factory defaults to secure data in case device is lost or stolen.

Exchange Calendars are now supported in the Calendar application.

Auto-discovery: you just need to know your user-name and password to easily set up and sync an Exchange account (available for Exchange 2007 and higher).

Global Address Lists look-up is now available in the Email application, enabling users to auto-complete recipient names from the directory.

Camera and Gallery

Gallery allows you to peek into picture stacks using a zoom gesture.

Camera onscreen buttons provide easy access to a new UI for controling zoom, flash, white balance, geo-tagging, focus and exposure. Camcorder also provides an easy way to set video size/quality for MMS and YouTube.

With the LED flash now enabled for the Camcorder, videos can be shot at night or in low light settings.Portable hotspotCertain devices like the Nexus One can be turned into a portable Wi-Fi hotspot that can be shared with up to 8 devices.

You can use your Android-powered phone as a 3G connection for a Windows or Linux laptop by connecting their phone to the computer with a USB cable. The connection is then shared between the two devices.

Multiple keyboard languagesMulti-lingual users can add multiple languages to the keyboard and switch between multiple Latin-based input languages by swiping across the space bar. This changes the keys as well as the auto-suggest dictionary.

Improved performancePerformance of the browser has been enhanced using the V8 engine, which enables faster loading of JavaScript-heavy pages.

Android Application Error ReportsNew bug reporting feature for Android Market apps enables developers to receive crash and freeze reports from their users. The reports will be available when they log into their publisher account.

New Developer APIsApps on external storageApplications can now request installation on the shared external storage (such as an SD card).

Media frameworkProvides new APIs for audio focus, routing audio to SCO, and auto-scan of files to media database. Also provides APIs to let applications detect completion of sound loading and auto-pause and auto-resume audio playback.

GraphicsNew APIs for OpenGL ES 2.0, working with YUV image format, and ETC1 for texture compression.

Data backupApps can participate in data backup and restore, to ensure that users maintain their data after performing a factory reset or when switching devices.

Device policy managerNew device policy management APIs allow developers to write "device administrator" applications that can control security features on the device, such as the minimum password strength, data wipe, and so on. Users can select the administrators that are enabled on their devices.

UI frameworkNew "car mode" and "night mode" controls and configurations allow applications to adjust their UI for these situations. A scale gesture detector API provides improved definition of multi-touch events. Applications can now customize the bottom strip of a TabWidget.